added skeleton for flashcode testing from SD card
This commit is contained in:
Markus Fröschle
@@ -12,7 +12,22 @@
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#include <ff.h>
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#include <s19reader.h>
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static uint32_t mx29lv640d_sector_groups[] =
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int strncmp(const char *s1, const char *s2, int max)
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{
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return 0;
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}
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int strcpy(char *dst, const char *src)
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{
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}
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int strncat(char *dst, char *src, int max)
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{
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}
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static uint32_t mx29lv640d_flash_sectors[] =
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{
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0xe0000000, 0xe0002000, 0xe0004000, 0xe0006000, 0xe0008000, 0xe000a000, 0xe000c000, 0xe000e000,
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0xe0010000, 0xe0020000, 0xe0030000, 0xe0040000, 0xe0050000, 0xe0060000, 0xe0070000, 0xe0080000,
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@@ -32,28 +47,39 @@ static uint32_t mx29lv640d_sector_groups[] =
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0xe0710000, 0xe0720000, 0xe0730000, 0xe0740000, 0xe0750000, 0xe0760000, 0xe0770000, 0xe0780000,
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0xe0790000, 0xe07a0000, 0xe07b0000, 0xe07c0000, 0xe07d0000, 0xe07e0000, 0xe07f0000, 0xe8000000
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};
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static const int num_flash_sectors = sizeof(mx29lv640d_flash_sectors) / sizeof(uint32_t);
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extern err_t simulate();
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extern err_t memcpy();
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extern err_t verify();
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err_t erase_flash_sector(const void *start_address)
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err_t erase_flash_sector(int sector_num)
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{
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return OK;
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}
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err_t erase_flash_region(void *start_address)
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err_t erase_flash_region(void *start_address, uint32_t length)
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{
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const uint32_t flash_region_size = 0x400000; /* 4 MByte */
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const uint32_t flash_sector_size = 0x2000; /* 8 KByte */
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err_t err;
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int sector = -1;
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int i;
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const void *p = start_address;
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/*
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* determine first sector to erase
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*/
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for (i = 0; i < num_flash_sectors; i++)
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{
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if (start_address >= (void *) mx29lv640d_flash_sectors[i] && start_address <= (void *) mx29lv640d_flash_sectors[i])
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sector = i;
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}
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/*
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* erase sectors until free space equals length
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*/
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do {
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err = erase_flash_sector(p);
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p += flash_sector_size;
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} while ((p < start_address + flash_region_size) && err == OK);
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err = erase_flash_sector(sector);
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sector++;
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} while ((void *) mx29lv640d_flash_sectors[sector] < start_address + length && ! err);
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return err;
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}
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@@ -88,8 +114,8 @@ void srec_flash(char *flash_filename)
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err = read_srecords(flash_filename, &start_address, &length, simulate);
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if (err == OK)
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{
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xprintf("OK.\r\nerase flash area (from %p): ", start_address);
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err = erase_flash_region(start_address);
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xprintf("OK.\r\nerase flash area (from %p, length 0x%lx): ", start_address, length);
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err = erase_flash_region(start_address, length);
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/* next pass: copy data to destination */
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xprintf("OK.\r\flash data: ");
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@@ -137,86 +163,122 @@ void srec_flash(char *flash_filename)
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}
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}
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void srec_load(char *flash_filename)
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err_t srec_load(char *flash_filename)
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{
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DRESULT res;
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FRESULT fres;
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FATFS fs;
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FIL file;
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err_t err;
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void *start_address;
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uint32_t length;
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// disk_initialize(0);
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res = disk_status(0);
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if (res == RES_OK)
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if ((fres = f_open(&file, flash_filename, FA_READ) != FR_OK))
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{
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fres = f_mount(0, &fs);
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if (fres == FR_OK)
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{
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if ((fres = f_open(&file, flash_filename, FA_READ) != FR_OK))
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{
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xprintf("flasher file %s not present on disk\r\n", flash_filename);
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}
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else
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{
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f_close(&file);
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xprintf("flasher file %s not present on disk\r\n", flash_filename);
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}
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else
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{
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f_close(&file);
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/* first pass: parse and check for inconsistencies */
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xprintf("check file integrity: ");
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err = read_srecords(flash_filename, &start_address, &length, simulate);
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/* first pass: parse and check for inconsistencies */
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xprintf("check file integrity: ");
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err = read_srecords(flash_filename, &start_address, &length, simulate);
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if (err == OK)
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{
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/* next pass: copy data to destination */
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xprintf("OK.\r\ncopy/flash data: ");
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err = read_srecords(flash_filename, &start_address, &length, memcpy);
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if (err == OK)
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{
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/* next pass: verify data */
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xprintf("OK.\r\nverify data: ");
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err = read_srecords(flash_filename, &start_address, &length, verify);
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if (err == OK)
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{
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/* next pass: copy data to destination */
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xprintf("OK.\r\ncopy/flash data: ");
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err = read_srecords(flash_filename, &start_address, &length, memcpy);
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if (err == OK)
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{
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/* next pass: verify data */
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xprintf("OK.\r\nverify data: ");
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err = read_srecords(flash_filename, &start_address, &length, verify);
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if (err == OK)
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{
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xprintf("OK.\r\n");
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typedef void void_func(void);
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void_func *func;
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xprintf("target successfully written and verified. Start address: %p\r\n", start_address);
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xprintf("OK.\r\n");
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typedef void void_func(void);
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void_func *func;
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xprintf("target successfully written and verified. Start address: %p\r\n", start_address);
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func = start_address;
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(*func)();
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}
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else
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{
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xprintf("failed\r\n");
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}
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}
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else
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{
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xprintf("failed\r\n");
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}
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func = start_address;
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(*func)();
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}
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else
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{
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xprintf("failed\r\n");
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}
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}
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else
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{
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xprintf("failed\r\n");
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}
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}
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else
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{
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xprintf("failed\r\n");
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}
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}
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return OK;
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}
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void basflash(void)
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{
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const char *basflash_str = "\\BASFLASH\\";
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const char *bastest_str = "\\BASTEST\\";
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DRESULT res;
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FRESULT fres;
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FATFS fs;
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xprintf("\r\nHello from BASFLASH.S19!\r\n\r\n");
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/*
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* read \BASTEST\ folder contents (search for .S19-files). If found load them to their final destination
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* (after BaS has copied them, not their flash location) and return.
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*
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* Files located in the BASTEST-folder thus override those in flash. Useful for testing before flashing
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*/
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res = disk_status(0);
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if (res == RES_OK)
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{
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fres = f_mount(0, &fs);
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if (fres == FR_OK)
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{
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DIR directory;
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fres = f_opendir(&directory, bastest_str);
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if (fres == FR_OK)
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{
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FILINFO fileinfo;
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fres = f_readdir(&directory, &fileinfo);
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while (fres == FR_OK)
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{
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const char *ext = ".S19";
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char path[30];
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if (fileinfo.fname[0] != '\0') /* found a file */
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{
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if (strncmp(&fileinfo.fname[13 - 4], ext, 4) == 0) /* we have a .S19 file */
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{
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strcpy(path, bastest_str);
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strncat(path, fileinfo.fname, 13);
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if (srec_load(path) != OK)
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{
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// error handling
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}
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}
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}
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fres = f_readdir(&directory, &fileinfo);
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}
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}
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else
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{
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xprintf("f_opendir %s failed with error code %d\r\n", bastest_str, fres);
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}
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}
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else
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{
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// xprintf("could not mount FAT FS\r\n");
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}
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f_mount(0, 0L);
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}
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else
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{
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// xprintf("could not initialize SD card\r\n");
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f_mount(0, 0L); /* unmount SD card */
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}
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}
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void basflash(void)
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{
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const char *basauto_str = "\\BASAUTO\\";
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const char *bassimu_str = "\\BASSIMU\\";
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xprintf("\r\nHello from BASFLASH.S19!\r\n\r\n");
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}
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